Solara auth0 example (#220)

* env

* img updated

* fixes

* solara auth0

* irrelevant

* revert

* revert

* guide

doc/apps/solara.md

@@ -116,13 +116,22 @@ ploomber-cloud deploy --watch
 To ensure your app doesn't break on re-deployments, pin your [dependencies.](pin-dependencies)
 ```
 
+## Production deployments
+
+Ploomber has features to help you deploy production-ready Solara apps
+
+### Authentication
+
+Our [integration with Auth0](auth0-integration) allows you to easily add authentication
+to any Solara app. There's no need to modify your Solara app code, only pass your
+Auth0 configuration parameters. Check out the [sample app.](https://github.com/ploomber/doc/tree/main/examples/solara/app-with-auth0)
+
 ## Features
 
 Ploomber Cloud supports many features to help you build Solara applications quickly!
 
 - Integration with [GitHub](../user-guide/github.md)
 - Safely store [secrets](../user-guide/secrets.md) such as API keys
-- Add [password protection](../user-guide/password.md) to your app
 - Usage [analytics](../user-guide/analytics.md) such as unique visitors, total requests, etc.
 - Spin up [larger resources](../user-guide/resources.md) (CPUs and RAM)
 - Spin up [GPUs](../user-guide/gpu.md)

examples/solara/app-with-auth0/app.py

@@ -0,0 +1,24 @@
+import solara
+import plotly.express as px
+from solara.lab import headers
+
+df = px.data.iris()
+
+columns = list(df.columns)
+x_axis = solara.reactive("sepal_length")
+y_axis = solara.reactive("sepal_width")
+
+
+@solara.component
+def Page():
+    if 'x-auth-name' in headers.value:
+        username = headers.value['x-auth-name'][0]
+    else:
+        username = "Anonymous"
+    solara.Markdown(f"Welcome {username}!")
+    solara.Markdown("[Logout](/logout)")
+
+    fig = px.scatter(df, x_axis.value, y_axis.value)
+    solara.FigurePlotly(fig)
+    solara.Select(label="X-axis", value=x_axis, values=columns)
+    solara.Select(label="Y-axis", value=y_axis, values=columns)

examples/solara/app-with-auth0/requirements.txt

@@ -0,0 +1,3 @@
+solara
+plotly
+pandas